llorensalarconloopback Intel Core 2 Duo P8600 testing with a HP 30DB and Intel Mobile 4 IGP 256MB on Ubuntu 10.04 via the Phoronix Test Suite. Intel 82567LM Gigabit Connection: Processor: Intel Core 2 Duo P8600 @ 2.40GHz (2 Cores), Motherboard: HP 30DB, Chipset: Intel Mobile 4 MCH + ICH9M-E, Memory: 2048MB, Disk: 160GB Seagate ST9160411AS, Graphics: Intel Mobile 4 IGP 256MB, Audio: Analog Devices AD1984A, Network: Intel 82567LM Gigabit Connection + Intel PRO/Wireless OS: Ubuntu 10.04, Kernel: 2.6.32-56-generic (i686), Desktop: GNOME 2.30.2, Display Server: X Server 1.7.6, Display Driver: intel 2.9.1, OpenGL: 2.1 Mesa 7.7.1, Compiler: GCC 4.4.3, File-System: ext4, Screen Resolution: 1280x800 Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better Intel 82567LM Gigabit Connection . 48.84 |=====================================